1. Structural Engineering Research Laboratory, Swiss Federal Laboratories for Materials Testing and Research (Empa), Ueberlandstrasse 129, CH-8600 Duebendorf, Switzerland.
2. Ph.D. Student, Structural Engineering Research Laboratory, Swiss Federal Laboratories for Materials Testing and Research (Empa), Ueberlandstrasse 129, CH-8600 Duebendorf, Switzerland.
3. Wood Laboraory, Swiss Federal Laboratories for Materials Testing and Research (Empa), Ueberlandstrasse 129, CH-8600 Duebendorf, Switzerland.
4. Assistant Professor, Structural Engineering Research Laboratory, Swiss Federal Laboratories for Materials Testing and Research (Empa), Ueberlandstrasse 129, CH-8600 Duebendorf, Switzerland.